Dr. William I. Levin

George Zimmerman is a primary care provider, practicing in Internal Medicine in Pleasant Hills, Pennsylvania. Dr. Zimmerman is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. His top areas of expertise are Richter Syndrome, Chronic B-Cell Leukemia (CBCL), Chronic Lymphocytic Leukemia (CLL), and Chronic Cough.

Michelle Rathgeb, MD, specializes in internal medicine and is board certified in internal medicine by the American Board of Internal Medicine. She practices at Westmoreland Center for Internal Medicine-UPMC. Dr. Rathgeb completed her medical degree at the University of Pennsylvania School of Medicine and residency at the University of Pittsburgh Medical Center. Dr. Rathgeb is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. Her top areas of expertise are Childhood Iron Deficiency Anemia, Familial Colorectal Cancer, Folate Deficiency, and Vitamin B12 Deficiency Anemia.

Mark Fantaski, MD, specializes in internal medicine and is board-certified in internal medicine by the American Board of Internal Medicine. He practices at HealthQuest Medical Associates - UPMC and is affiliated with UPMC Passavant. Dr. Fantaski completed his residency at Allegheny General Hospital and medical education at Thomas Jefferson University Medical College. LGBTQIA+ Affirming: This provider has completed training on how to create a safe, comfortable, and welcoming environment for LGBTQIA+ patients. This provider may or may not offer LGBTQIA+ specific medical or surgical care. Please ask when scheduling. Are you already a patient of this provider and have a MyUPMC account? Log in to MyUPMC to schedule. Dr. Fantaski is rated as an Advanced provider by MediFind in the treatment of Richter Syndrome. His top areas of expertise are Congenital Anti-Plasmin Deficiency, Prekallikrein Deficiency, Disseminated Intravascular Coagulation, and Cirrhosis.